In this paper, we introduce the notion of involution commutative semi-group, and give some equivalence axioms of MV - algebras.

本文通过对合交换半群概念的引入，对MV -代数建立了几组等价公理系，对原有的公理系进行了较好的简化。

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MARTIN PRINCE: "There have been some more studies done recently in western Africa, which, I think give the lie to the notion that Alzheimer's disease is very rare amongst all the people in Africa."

普林斯：“我认为最近在西非完成的一些研究拆穿了阿尔茨海默氏症在非洲人民当中非常罕见的谎言。”

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To break out of the anxiety-filled cycle I have to give up the notion that I have some superhuman level of control.

CNN: Sometimes, you just have to lose control

If you accept that notion, then ask your people to give you some feedback: Are there controls that you could loosen?

FORBES: My Name Is ____ and I'm a Micromanager

But even -- I remember sitting in that meeting and even with -- the notion was even if you give -- if you make some of the required management changes and give them a lifeline, it was still a 51-49 proposition.

WHITEHOUSE: Press Briefing